Home / 699,517,823.40-1,049,276,735.10-679,362,431.40

Finding the Fourth Proportional to 699,517,823.40, 1,049,276,735.10 and 679,362,431.40

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Solution

The fourth proportional to 699,517,823.40, 1,049,276,735.10 and 679,362,431.40 is: 1,019,043,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,517,823.40 : 1,049,276,735.10 = 679,362,431.40 : x
  2. Step 2: Convert to fraction form
    699,517,823.40/1,049,276,735.10 = 679,362,431.40/x
  3. Step 3: Cross multiply
    699,517,823.40x = 1,049,276,735.10 × 679,362,431.40
  4. Step 4: Simplify right side
    699,517,823.40x = 712,839,193,968,989,696
  5. Step 5: Solve for x
    x = 712,839,193,968,989,696/699,517,823.40
  6. Step 6: Final answer
    x = 1,019,043,647.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.